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Prime et composite Feuille de travail

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Prime et composite Feuille de travail

Nom: ____________________Date: ____________

Instructions: Identifier les nombres premiers et composés et rédiger des factorisations premières.

20 problèmes

  1. Prime numbers in {21, 13, 15, 17, 7, 2} → ______
  2. Prime numbers in {27, 15, 29, 23, 2, 12} → ______
  3. Prime numbers in {13, 12, 17, 3, 25, 7} → ______
  4. Prime numbers in {8, 11, 15, 19, 13, 5} → ______
  5. Prime numbers in {25, 19, 13, 27, 5, 9} → ______
  6. Prime numbers in {21, 2, 7, 23, 8, 5} → ______
  7. Prime numbers in {13, 15, 21, 25, 17, 5} → ______
  8. Prime numbers in {15, 13, 19, 8, 7, 12} → ______
  9. Prime numbers in {9, 2, 17, 13, 27, 12} → ______
  10. Prime numbers in {15, 27, 17, 11, 29, 2} → ______
  11. Prime numbers in {17, 3, 2, 21, 19, 5} → ______
  12. Prime numbers in {27, 2, 13, 23, 7, 9} → ______
  13. Prime numbers in {25, 11, 7, 15, 9, 13} → ______
  14. Prime numbers in {9, 17, 27, 3, 7, 8} → ______
  15. Prime numbers in {9, 23, 5, 25, 15, 2} → ______
  16. Prime numbers in {13, 21, 25, 17, 29, 15} → ______
  17. Prime numbers in {2, 3, 19, 11, 25, 7} → ______
  18. Prime numbers in {12, 21, 29, 17, 5, 2} → ______
  19. Prime numbers in {7, 3, 5, 8, 29, 21} → ______
  20. Prime numbers in {5, 12, 8, 9, 11, 15} → ______
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